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The Mining and Exploration News in Mexico: Highlights on the Fifth Week of January, 2026

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Low-Temperature Silica

By Miguel A Heredia

During the 5th week of the year (January 26th to February 01st 2026), at least 49 press releases were announced by companies working in Mexico, and 1 news publish by the media, with fifteen disclosing deals and corporate issues, fifteen announcing financial rounds, nine reporting resources and developments of their properties, four communicating production results, four commenting on Mexican issues, and three informing on exploration results.  ON MEXICO ISSUES, Vizsla Silver provided information regarding a security incident at its Copala project in Concordia, Sinaloa.  According to financial analysts, the market value of the mining companies on the stock exchange have risen by more than USD $500B. Luca Mining, Avino Silver & Gold, and Southern Silver reported the best drilling intercepts in Mexico on the fifth week of January, 2026. ON EXPLORATION, In Sonora, Colibri completed its Phase 1 reconnaissance RC drilling program at the El Plomo project, and Regency Silver informed that the first hole of its ongoing 2026 drill program at Dios Padre project has intersected sulphide-specularite supported breccia in multiple zones across a broad, non-continuous ~250m interval. In Sinaloa, Mercado Minerals commenced its geophysical surveys over its Copalito project.  ON MINING, Santacruz Silver reported Q4 and full year 2025 production results from its Zimapan mine in Hidalgo. Discovery Silver announced that it will release its financial and operating results for the fourth quarter and full year 2025 prior to the market open on Thursday, February 19, 2026 (Cordero project, Chihuahua). Orogen Royalties provided an update and outlook regarding its exploration stage projects and royalties in 2026 (Ermitaño mine, Sonora). Guanajuato Silver reported 2025 production results from its Mexican operations. ON FINANCING, Highlander announced and closed a non-brokered private placement for gross proceeds of USD $40M (Mercedes mine, Sonora/Bear Creek Mining). Questcorp announced the appointment of Amandip Singh as an advisor to the Board (La Union project, Sonora). Chesapeake closed its previously announced bought deal public offering for gross proceeds of CAD $17,250,345, and closed a CAD $2.8M non-brokered private placement with participation of Eric Sprott (Metates project, Durango). Minera Alamos announced the upcoming sale of approximately 9.68M shares by a subsidiary of Equinox Gold to strategic investors, including their Executive Vice President, Corporate Development, Darren Blasutti (Santana project, Sonora). Silver Tiger announced a bought deal financing for gross proceeds of approximately CAD $0M and later on it increased to CAD $50M (El Tigre project, Sonora). Silverco announced a bought deal offering for gross proceeds of CAD $40M (Cusi mine, Chihuahua). J2 Metals upsized its previously announced non-brokered private placement and additional flow-through financing for gross proceeds of CAD $5.3M (Sierra Plata project, Estado de Mexico). Axo Copper announced a bought deal financing for gross proceeds of approximately CAD $25M and later on it upsized to approximately CAD $35M (San Antonio project, Sonora). Apollo Silver closed the second and final tranche of its previously announced non-brokered private placement for gross proceeds of CAD $12.5M (Cinco de Mayo project, Chihuahua). Oroco closed upsized bought deal public offering for gross proceeds of CAD $23M (Santo Tomas project, Sinaloa). Sierra Madre Gold and Silver closed the second and final tranche of its previously announced private placement for gross proceeds of USD $17,822,449 (Del Toro mine, Zacatecas). Silverco informed that it upsized its previously announced bought deal financing for gross proceeds of CAD $62.5M (Cusi mine, Chihuahua). Colibri announced that it has completed the conversion of CAD $600,995 of debt to units of the company (EP project, Sonora).  ON RESOURCES AND DEVELOPMENT, Heliostar filed a Pre-Feasibility Study Technical Report for its Cerro del Gallo project in Guanajuato. Southern Silver reported assay results from four holes drilled at Puro Corazon claim in its Cerro Las Minitas project in Durango. Sierra Madre Gold and Silver secured a land use authorization and expanded its land holdings at Tlacotal project, Estado de Mexico. Avino released results from six holes drilled at its la Preciosa project in Durango. Luca Mining released drill results from its ongoing Phase 2 exploration program at its Campo Morado mine in Guerrero. Minaurum published at initial Mineral Resource Estimate for its Alamos Silver project in Sonora. Silver Dollar outlined 2026 plans at its La Joya project, Durango. Guanajuato Silver announced its ambitious consolidated drilling plans for 2026 at their five Mexican mine operations, with a total of approximately 75,000m of drilling expected. Mithril provided a summary of the Q4, 2025 exploration activities carried out at their Copalquin and La Dura properties in Durango.  ON DEALS AND CORPORATE ISSUES, Gold Resource announced that it entered into a definitive arrangement agreement and plan of merger with Goldgroup (Don David mine, Oaxaca). Questcorp announced the appointment Amandip Singh as an adviser to the Board and granted incentive stock options to certain directors, officers, consultants and advisors (La Union project, Sonora). Axo Copper reported that it has completed the acquisition of the San Antonio project in Sonora from Osisko Development. Barksdale informed that it granted stock options to certain directors, officers, employees, and consultants of the company (San Javier project, Sonora). Silver Spruce informed on the resignation of Greg Davison from the Board of Directors and from his role as Vice-President Exploration (Pino de Plata, Chihuahua). Silverco provided additional information on the agreement to acquire Nuevo Silver and the La Negra mine in Queretaro. Oroco granted stock options to directors, officers, employees, and consultants of the company (Santo Tomas project, Sinaloa). Silver Spruce appointed Paul K Smith as Vice President of Exploration (Pino de Plata project, Chihuahua). Algo Grande informed that it will hold its annual general meeting of shareholders on February 25, 2026 and announced the appointment of Raymond Jannas to its Board of Directors (Adelita project, Sonora). Masivo Silver entered into a digital marketing services agreement with Senergy Comminications Capital Inc (Cerro Colorado, Sonora). Questcorp issued a news release to clarify its share arrangement following a review by the British Columbia Securities Commission (La Union project, Sonora). Empress Royalty granted restricted share units to Mr. Burns (Royalty in Tahuehueto, Durango).  Mexican Gold granted stock options to certain directors, officers, and consultants of the company (Las Minas  project, Veracruz).  ON SOCIAL RESPONSIBILITY, No relevant news.

ON MEXICO ISSUES

  • Vizsla Silver Corp., provided information regarding a security incident at its Copala project in Concordia, Sinaloa. Ten individuals were taken during the incident. The incident is currently under investigation and information remains limited. As a precautionary measure, Vizsla Silver has temporarily suspended certain activities at and near the site.
  • According to financial analysts, The 10 largest publicly traded mining companies have registered a gain of USD $528.63 B in the last year.  This increase in value is driven by a historic rally in the prices of gold and silver, and sustained demand for copper for the energy transition. The gold price has rebounded by more than 20% so far this year, and the silver price by around 63% in 2026. The 10 largest mining companies reached a combined market capitalization of USD $1.33 trillion as of January 28, 2026. Compared to January 2025, the same companies had a combined market value of USD $678.57B, representing an increase of 96.47% or USD $654.6B. Included in this list is Southern Copper Corporation, one of the world´s largest integrated copper producers, with mail operations in Peru and Mexico, which added USD $88.37B to its market capitalization. In January, 2026, the mining company´s value is projected at USD $162.3B. On the other hand, in the last year, Grupo Mexico became the largest company on the Mexican Stock Exchange by market capitalization exceeding USD $73.46B.
  • Luca Mining Corp., Avino Silver & Gold Mines Limited, and Southern Silver Exploration Corp., reported the best drilling intercepts in Mexico on the fifth week of January, 2026. Details are shown in the table below:

ON EXPLORATION

  • Colibri Resource Corporation completed its Phase 1 reconnaissance RC drilling program at the El Plomo project in Sonora, testing multiple priority gold targets. The RC program consisted of 22 holes totalling approximately 1,815m. Drill samples are currently being prepared for shipment to lab for analytical assays.
  • Regency Silver Corp.,  informed that the first hole of its ongoing 2026 drill program at Dios Padre project has intersected sulphide-specularite supported breccia in multiple zones across a broad, non-continuous ~250m interval. Analytical assays are pending, but in terms of geology, alteration, mineral species and abundance, the zones appear to compare favorably to previous drill holes that returned high grade mineralization.
  • Mercado Minerals Ltd., commenced its geophysical surveys over its Copalito project in Sinaloa. The first phase will comprise a high resolution drone magnetic survey followed by a drone LiDAR survey. The high-resolution magnetic survey will cover 1,885 hectares using 50m-line spacing and has been designed to map known veins and their extensions, as well as provide valuable data over previously unexplored areas of the property, while the drone LiDAR survey will cover 1,867 hectares to enhance topographic detail across the property, focusing on known vein systems, their potential extensions, and additional unexplored zones.

ON MINING

  • Santacruz Silver Mining Ltd., reported Q4 and full year 2025 production results from its Zimapan mine in Hidalgo. During Q4, 2025 the company milled 222,703 tonnes of 80 g/t Ag, 2.9% Zn, 0.7% Pb, and 0.26% Cu with metallurgical recoveries of 70%, 78%,78%, and 50% respectively to produce 403.3K Oz Ag, 11.22M Lb Zn, 2.77M Lb Pb, and 112K Lb Cu (1.02M Oz AgEq). In the full year 2025, Santacruz milled 893,067 tonnes of 82 g/t Ag, 2.5% Zn, 0.75% Pb, and 0.29% Cu with metallurgical recoveries of 75%, 78%, 85%, and 43% respectively, to produce 1.68M Oz Ag, 36.54M Lb Zn, 12.2M Lb Pb, and 2.37M Lb Cu (3.8M Oz AgEq).
  • Discovery Silver Corp., announced that it will release its financial and operating results for the fourth quarter and full year 2025 prior to the market open on Thursday, February 19, 2026 (Cordero project, Chihuahua).
  • Orogen Royalties Inc., provided an update and outlook regarding its exploration stage projects and royalties in 2026. Highlights from 2025 include over 37,800m of partner-funded drilling (estimated USD $30M expenditure), including over 21,000m of resource expansion and conversion drilling at the Navidad/Winter vein target and the Luna zone at the Ermitaño gold-silver mine in Sonora; reception of over USD $4.1M from the sale of projects and payments from exploration partners; and the establishment of four new royalties and three exploration alliances. The 2026 outlook anticipates twelve partner-funded drilling programs with an estimated 40,000m of drilling, excluding drilling plans at Ermitaño; three partner-funded exploration alliances will continue; six projects under option to industry partners; and new updates on resources, including at the Navidad/Winter Au-Ag veins at Ermitaño.
  • Guanajuato Silver Company Ltd., reported 2025 production results from its Mexican operations. In 2025, the Bolañitos mine in Guanajuato produced 608.4K Oz Ag and 15.3K Oz Au; while consolidated 2025 production from the Company’s four other mines, namely Topia in Durango,  and El Cubo, VMC and San Ignacio in Guanajuato,  totaled 1.24M Oz Ag, 10.3K Oz Au, 2.78M Lb Pb, and 3.38M Lb Zn. 

ON FINANCING

  • Highlander Silver Corp., announced and closed a non-brokered private placement of 8,060,226 common shares at a price of CAD $6.80 per common shares for gross proceeds of USD $40M (Mercedes mine, Sonora/Bear Creek Mining). Gross proceeds will be used to fund the advancement of the company´s mineral projects and for working capital and corporate purposes. 
  • Chesapeake Gold Corp., closed its previously announced bought deal public offering of 4,107,225 units of the company at a price of CAD $4.20 per unit for gross proceeds of CAD $17,250,345. It also closed a non- brokered private placement of 685,000 units at a price of CAD $4.2 per units for gross proceeds of 2,877,000. Net proceeds will be used to advance the company’s proprietary oxidative leach technology, the Metates and Lucy projects in Durango, and for general working capital.
  • Minera Alamos Inc., announced the upcoming sale of approximately 9.68M shares by a subsidiary of Equinox Gold to strategic investors, including their Executive Vice President, Corporate Development, Darren Blasutti. The shares are priced at CAD $5.80 each, raising over CAD $56M, with closing expected in early February 2026 (Santana project, Sonora).
  • Silver Tiger Metals Inc., announced a bought deal financing of 34,189,000 common shares of the company at a price of CAD $1.17 per common share for gross proceeds of approximately CAD $40M. Later on, it increased it to 42,736,000 common shares at a price of CAD $1.17 per common share for gross proceeds of approximately CAD $50M. The company plans to use the net proceeds to fund exploration and development expenditures at El Tigre project in Sonora, as well as for working capital and general corporate purposes.
  • Silverco Mining Ltd., announced a bought deal offering of 3,200,000 common shares at a price of CAD $12.50 per common share for gross proceeds CAD $40M. Later on, it upsized the previously announced bought deal financing offering to 4,000,000 common shares at a price of CAD $12.5 per common share for gross proceeds of CAD $62.5M. Net proceeds will be used for exploration, evaluation, and restart work on the Cusi mine in Chihuahua, as well as for general and administrative expenditures and working capital.
  • J2 Metals Inc., upsized its previously announced non-brokered private placement and additional flow-through financing for gross proceeds of CAD $5.3M, consisting of CAD $3.8M raised through the issuance of subscription receipts at a price of CAD $0.25 per subscription receipt, and CAD $1.5M raised through the issuance of flow-through subscription receipts at a price of CAD $0.35 per flow-through subscription receipt.  Net proceeds will be used to explore and advance the company´s projects and for general corporate purposes (Sierra Plata project, Estado de Mexico).
  • Axo Copper Corp., announced a bought deal financing of 35,715,000 units at a price of CAD $0.70 per unit for gross proceeds of approximately CAD $25M and later on it upsized to 50,000,000 units at a price of CAD $0.70 for gross proceeds of approximately CAD $35M. The company plans to use the net proceeds for exploration and advancement of its La Huerta project in Jalisco and San Antonio project in Sonora.
  • Apollo Silver Corp., closed the second and final tranche of its previously announced non-brokered private placement of 2,500,000 units at a price of CAD $5 per unit for gross proceeds of CAD $12.5M. With the completion of this tranche, the offering is now fully subscribed for total gross proceeds of CAD $27,500,000. Part of the gross proceeds will be used to support community relations initiatives at Cinco de Mayo project in Chihuahua, cover ongoing property maintenance costs, and for general corporate purposes.
  • Oroco Resource Corp., closed upsized bought deal public offering of 60,526,340 units at a price of CAD $0.38 per unit for gross proceeds of CAD $23M. The company will use the net proceeds to fund commencement of Pre-Feasibility Study drilling at its Santo Tomas project in Sinaloa, advance baseline environmental and permitting work, and for general corporate working capital.
  • Sierra Madre Gold and Silver Ltd., closed the second and final tranche of its previously announced private placement of 13,709,576 subscriptions receipts at a price of USD $1.30 per subscription receipt for gross proceeds of USD $17,822,449. With the completion of this tranche, the offering is now fully subscribed for total gross proceeds of USD $57,500,690. Net proceeds will be used to fund the completion of the transaction, for exploration and development of Del Toro mine in Zacatecas, following completion of the transaction and for general working capital purposes.
  • Colibri Resource Corporation announced that it has completed the conversion of CAD $600,995 of debt to units of the company into equity through the issuance of units comprising common shares and warrants. This debt-to-equity conversion reduces the company’s debt load and enhances its capacity to raise additional capital. The completion of this transaction is pending final approval from the TSX Venture Exchange (EP project, Sonora). 

ON RESOURCES AND DEVELOPMENT

  • Heliostar Metals Ltd., filed a Pre-Feasibility Study Technical Report for its Cerro del Gallo project in Guanajuato. It has an effective date of December 11, 2025.
  • Southern Silver Exploration Corp., reported assay results from four holes drilled at Puro Corazon claim in its Cerro Las Minitas project in Durango. Drilling highlights are shown in the table below:

The company informed that next steps are update the Mineral Resource Estimate of the Cerro Las Minitas project; followed by an update of the Preliminary Economic Assessment of the project in accordance with the provisions of National Instrument 43-101 and continue to advance baseline data collection and permit readiness review.

  • Sierra Madre Gold and Silver Ltd., received approval to change land use for a 34.7 hectares at its Tlacotal property in Estado de México, enabling it to be used for mining-related activities. The company also executed agreements to purchase additional land, including a 33.1 hectares adjacent area and private lands associated with the current tailings facility. This land is secured via a 30-year lease and the option to purchase will be exercised upon receipt of ownership transfer documentation. It supports the expansion of their operations, including potential mine development and tailings facility upgrades. The company plans to begin drilling activities in the second half of 2026 to further explore and develop the resource potential in the region, aiming to build out their production center and explore nearby veins.
  • Avino Silver & Gold Mines Ltd., released results from six holes totalling 1,400m drilled at its la Preciosa project in Durango, with the full 2025 drilling program, comprising 14 holes totalling approximately 3,500m drilled. Drilling highlights include hole PMLP 25-12 on La Gloria Vein with 0.65 g/t Au and 585 g/t Ag (637 g/t AgEq) over 4.90m, including 1.92 g/t Au and 2,218 g/t Ag (2,372 g/t AgEq) over 0.95m, including 1.91 g/t Au and 1,107 g/t Ag (1,260 g/t AgEq) over 0.77m; and hole PMLP 25-14 with 0.13 g/t Au and 72 g/t Ag (83 g/t AgEq) over 0.89m on Splay 1 Vein, plus 0.62 g/t Au and 340 g/t Ag (390 g/t AgEq) over 0.60m on Abundancia Vein. “The drill results exceeded grade expectations and verified the geometry of the current vein-based resource model”.
  • Luca Mining Corp., released drill results from its ongoing Phase 2 exploration program at its Campo Morado mine in Guerrero. Drilling highlights include hole CMRY-25-02 with 1.34 g/t Au, 115 g/t Ag, 0.47% Cu, 0.8% Pb, and 2.7% Zn (5.35 g/t AuEq) over 28.6m, including 1.31 g/t Au, 184 g/t Ag, 0.32% Cu, 1.4% Pb, and 4.6% Zn (7.18 g/t AuEq) over 11.2m, including 5.2 g/t Au, 219 g/t Ag, 0.85% Cu, 1.7% Pb, and 4.6% Zn (12.55 g/t AuEq) over 2.8m; and hole CMRY-25-06 with 1.36 g/t Au, 103 g/t Ag, 0.43% Cu, 0.6% Pb, and 2.2% Zn (4.87 g/t AuEq) over 29.5m, including 1.82 g/t Au, 131 g/t Ag, 0.4% Cu, 0.9% Pb, and 3% Zn (6.13 g/t AuEq) over 21m, including 12.27 g/t Au, 556 g/t Ag, 0.46% Cu, 3.5% Pb, and 6% Zn (25.38 g/t AuEq) over 2.2m. “Initial results indicate thick, gold- and silver-rich VMS mineralization at El Rey, an unmined deposit located approximately 200m from the Reforma deposit and close to existing underground infrastructure, supporting its potential inclusion in the longer-term Campo Morado mine plan”.
  • Minaurum Silver Inc., published at initial Mineral Resource Estimate (MRE) for its Alamos Silver project in Sonora. It consists of high-grade inferred resources of 5.37M tonnes grading 202 g/t Ag, 0.21 g/t Au, 0.43% Cu, 0.97% Pb, and 2% Zn and containing 34.8M Oz Ag, 35.6K Oz Au, 51M Lb Cu, 115M Lb Pb, and 238M Lb Zn (55.2M Oz AgEq). The MRE comprises portions of the Promontorio, Travesia, and Europa Vein zones, three of the twenty-six vein zones identified at the property. Minaurum is currently conducting a 50,000m core drilling program to expand the MRE at Europa and Promontorio-Travesia, while also completing step-out and infill drilling in additional vein zones including at San Jose, Quintera, Promontorio Sur, Pulpito-Cotera, and Minas Nuevas. The table below shows with more detail the MRE, with an effective day of January 8, 2026:
  • Silver Dollar Resources Inc., outlined 2026 plans at its La Joya project, Durango. The company is shifting its exploration strategy from potential open-pit to underground development, focusing on higher-grade underground mineralization. The focus is on targeting higher-grade underground mineralization within the 2 x 3 kilometer La Joya mineralized complex. Key activities include enhanced modeling of known high-grade areas, detailed underground and surface mapping and sampling, and the re-logging of selected historical drill core. The areas of focus include targets that demonstrate similarities to the nearby San Martin mine, known for significant silver mineralization. Five targets are identified for drilling to test for deep San Martin-type mineralization.
  • Guanajuato Silver Company Ltd., announced its ambitious consolidated drilling plans for 2026 at their five Mexican mine operations (Topia in Durango, and Bolañitos, El Cubo, Valenciana, and San Ignacio in Guanajuato), with a total of approximately 75,000m of drilling expected. This represents significant increases over previous years, specifically 731% more than 2025 and 1,660% more than 2024. The drilling will be divided into 45,000m of exploration drilling and 30,000m of infill drilling, aimed at establishing reserves, enhancing material definition, and expanding resource bases at various mines under its ownership in Mexico. The plan marks a strategic commitment to invest in resource growth and long-term production increases.
  • Mithril Silver and Gold Limited provided a summary of the Q4, 2025 exploration activities carried out at their Copalquin and La Dura properties in Durango. In 2025, Mithril made significant advancements in exploration activities at the Copalquin district. Throughout the year, drilling at Target 1 expanded the mineralized system and an update of the maiden resource at Target 1 is planned for Q2, following a 3,000m drill program to infill key areas in the mode.  Target 5, with multiple, parallel NW trending veins hosted in the granodiorite intrusive in the southwest area of the district emerged as a promising silver-rich growth opportunity. Preparations were made for drilling at Target 3, which commenced in January 2026. On the other hand, additional exploration efforts included systematic mapping, sampling, and geophysical work are currently being carried out to strengthen the geological model across the district. The overall focus on these activities indicates a firm belief in Copalquin’s potential as a large, vertically extensive epithermal gold-silver system with mineralization defined over 9km strike length and 1,200m vertical extent, with multiple targets, a dominant east-west structural corridor, and multiple northwest-trending structures within the 70 square km mining concession area, suggesting a considerable resource growth potential.  Finally, the company acquired La Dura mining concessions, which comprise five contiguous concessions totaling 2,052 hectares, located just 5 km from El Durazno and 20 km from the flagship Copalquin property. This area is noted for a significant Au-Ag sheeted to stockwork vein system associated with NW striking faults.

ON DEALS AND CORPORATE ISSUES

  • Gold Resource Corporation (GRC) announced that it entered into a definitive arrangement agreement and plan of merger with Goldgroup Mining Inc., whereby Goldgroup has agreed to acquire all the issued and outstanding shares of the company´s common stock. GRC´s stakeholders will receive 1.4476 common shares of Goldgroup for each share of GRC common stock as a result of a four-for-one share consolidation. Based on the closing prices of GRC’s common stock and Goldgroup’s common shares on January 23, 2026, the Exchange Ratio represents a value of USD $2.25 per share of GRC’s common stock, reflecting a 39% premium to GRC’s closing price on January 23, 2026. The Transaction values GRC’s common stock at approximately USD $372M on a fully-diluted in-the-money basis and based on the value of Goldgroup shares on January 23, 2026. The Transaction was unanimously approved by the boards of directors of Goldgroup and GRC (Don David mine, Oaxaca).
  • Questcorp Mining Inc., announced the appointment of Amandip Singh as an advisor to the Board. It also granted 4,400,000 incentive stock options to certain directors, officers, consultants, and advisors (La Union project, Sonora).
  • Axo Copper Corp., reported that it has completed the acquisition of Sapuchi Minera S de R.L. de C.V., from Osisko Development Corp. At closing of the Transaction, the Company issued 15,325,841 common shares of Axo Copper to Osisko Development and 7,655,250 Axo Shares to OR Royalties International Inc., , in accordance with the Securities Purchase Agreement and Share Issuance Agreement, respectively. Sapuchi Minera holds a 100% interest in the San Antonio Gold project in Sonora. Osisko Development is entitled to certain contingent deferred payments in connection with the sale, including a cash payment equal to 70% of any Mexican value‑added tax refund due or owing to Sapuchi Mexico in respect of any period ending on or before the closing date of the Transaction; upon the public filing by Axo of a feasibility study respecting the Project that is prepared in accordance with National Instrument 43-101 – Standards of Disclosure for Mineral Projects, USD $2M, payable in cash or up to 9,398,496 Axo Shares, at Axo’s option, provided that if the issue price of such Axo Shares is below the November 21, 2025 closing price of the Axo Shares, the Company will receive 9,398,496 Axo Shares plus a cash payment equal to the shortfall between USD $2M and the US dollar-equivalent value of the Axo Shares received; and a cash payment of USD $2M, upon the first gold pour being completed at the Project.
  • Barksdale Resources Corp., informed that it granted stock options to certain directors, officers, employees, and consultants of the company to acquire an aggregate of 4,850,000 common shares in the capital of the company (San Javier project, Sonora).
  • Silver Spruce Resources Inc., informed on the resignation of Greg Davison from the Board of Directors and from his role as Vice-President Exploration (Pino de Plata, Chihuahua).
  • Silverco Mining Ltd., provided additional information on the agreement to acquire Nuevo Silver and the La Negra mine in Queretaro. Nuevo Silver does not currently hold title to the la Negra mine and it is a condition of closing of the acquisition that Nuevo Silver completes its purchase of the La Negra mine. Nuevo Silver raised over USD $30M through subscription receipts to fund the acquisition. The deal is subject to various conditions, including the completion of Nuevo Silver’s purchase of the mine, regulatory approvals, and the delivery of a technical report. The acquisition will be executed through Silverco issuing shares to Nuevo Silver shareholders, with the valuation driven upward by recent increases in silver prices and positive cash flow prospects at the La Negra Mine.
  • Oroco Resource Corp., granted a total of 7,050,000 incentive stock options to directors, officers, employees, and consultants of the company at an exercise price of CAD $0.85 per share with a term of three years (Santo Tomas project, Sinaloa).
  • Silver Spruce Resources Inc., appointed Paul K Smith as Vice President of Exploration, effective immediately (Pino de Plata project, Chihuahua).
  • Algo Grande Copper Corp., informed that it will hold its annual general meeting of shareholders on February 25, 2026 and announced the appointment of Raymond Jannas to its Board of Directors (Adelita project, Sonora).
  • Masivo Silver Corp., entered into a digital marketing services agreement with Senergy Comminications Capital Inc., to provide content creation, strategic messaging, Paid advertising, corporate communications support, and enhanced online visibility services to increase awareness of the company´s projects and strengthen engagement with current and prospective shareholders. Senergy has been retained for an initial period of two months, commencing on January 29, 2026, and Masivo has agreed to pay CAD $60K plus applicable taxes for the services provided during the term of the agreement (Cerro Colorado, Sonora).
  • Questcorp Mining Inc., issued a news release to clarify its share arrangement following a review by the British Columbia Securities Commission. On October 24, 2025, the company completed a non-brokered private placement, issuing 14,000,334 units at CAD $0.15 per unit for total gross proceeds of CAD $2,100,050. Additionally, Questcorp entered into a Sharing Agreement with Sorbie Bornholm LP for a notional amount of CAD $2M, in which the company will initially receive CAD $8K, with future payments determined over 24 months based on its share price performance. Notably, there are risks involved as no funds from the Sharing Agreement are secured, exposing the company to potential losses if Sorbie faces financial difficulties (La Union project, Sonora).
  • Empress Royalty Corp., granted 250,000 restricted share units at a deemed price of CAD $1.09 per unit to Mr. Burns, further to its appointment to the Board of Directors  (Royalty in Tahuehueto, Durango). 
  • Mexican Gold Mining Corp., granted stock options to certain directors, officers, and consultants of the company to acquire an aggregate of 3,650,000 common shares at an exercise price of CAD $0.16 per common share (Las Minas project, Veracruz).

ON SOCIAL RESPONSIBILITY

  • No relevant news.

Content like what you have just read can be seen at https://gambusinoprospector.com/ and at LinkedIn’s Mexico Mineral Exploration Group.

On the picture below, low-temperature silica in a low-sulphidation epithermal vein system in a project in Durango, Mexico. Photo taken by Miguel A Heredia.

The Mining and Exploration News in Mexico; Highlights on the Fourth Week of January 2026

/ Gambusino Prospector / Leave a comment

By Jorge Cirett

During the 4th week of the year (January 19th to January 25th, 2026), companies working in Mexico released 43 press releases. Six companies informed on early-stage properties work, eight more presented quarterly reports and one informed on an illegal blockade. Eight companies presented news on financing rounds, one on trading on a new market, one on the halting of trading and one more on a favorable ranking. Six companies presented updates on advanced properties, while nine companies informed on deals and corporate issues. ON MEXICO ISSUES, no relevant news. ON EXPLORATION, in Sonora, Questcorp Mining and partner Riverside Resources released favorable channel sample results from La Unión;  Tocvan Ventures released drilling results from the North Block at its Gran Pilar project. In Chihuahua, Kingsmen Resources released drilling results from Las Coloradas; Mammoth Resources is working in planning and permitting a resource definition drilling campaign at Tenoriba. In Durango, Pinnacle Silver and Gold released underground sampling results from El Potrero. In Oaxaca, EV Resources is mobilizing a rig to Los Lirios. ON MINING, Luca Mining, Orla Mining, Gold Resource, Pan American Silver, GoGold Resources, Americas Gold and Silver, Gold Royalty and Avino Silver and Gold Mines presented quarterly reports. Gold Resource reported an illegal blockade at its Don David mine in Oaxaca. ON FINANCING, four companies informed on financing rounds: Canasil Resources (C$0.5 M), Apollo Silver (C$15 M), Kootenay Silver (C$16.5 M), and Pacifica Silver (C$23 M). Silver Spruce Resources corrected a previous offering note. Santacruz Silver Mining commenced trading on the Nasdaq Capital Market. Silverco Mining halted trading on the TSX. Guanajuato Silver and Luca Mining were named to the 2026 OTCQX Best 50. EV Resources received A$0.6 M from the sale of an Australian property. ON RESOURCES AND DEVELOPMENT, Kootenay Silver is to conduct a PEA on La Cigarra. Vizsla Silver updated on 2025 work at Panuco, and plans for 2026. Capitan Silver commenced a 60,000 m drilling campaign at Cruz de Plata. Mithril Silver and Gold released drilling results from Coplaquin. Alamos Gold presented drilling results from the PDA, Cerro Pelón and Halcón deposits in the Mulatos district. Silver Tiger Metals filed an updated PFS on the Stockwork zone and a PEA on the underground at El Tigre project. ON DEALS AND CORPORATE ISSUES, Bear Creek Mining informed on the incoming meeting of shareholders to resolve its arrangement with Highlander Silver. Mammoth Resources elected board directors at its AGM. Regency Silver optioned the La India concession near its Dios Padre project in Sonora. Silverco Mining is acquiring Nuevo Silver, owner of la Negra mine in Querétaro. Southern Empire Resources acquired the Pedro project in Durango from Enduro Metals. Radius Gold continues discussions with Pan American Silver to advance the Amalia project in Chihuahua. Silver Viper Minerals announced an appointment to the board.  ON SOCIAL RESPONSIBILITY, no relevant news.

ON MEXICO ISSUES

  • No Relevant News. 

ON EXPLORATION

  • Kingsmen Resources Corp. released results from three diamond drill holes on the Soledad structure at its Las Coloradas project in Chihuahua. Two of the holes intersected old workings, with the remaining hole intercepting 15.7 m of core length averaging 0.04 gpt Au, 46 gpt Ag, 9.9% Pb, 0.7% Zn (including 7.7 m @ 0.08 gpt Au, 89 gpt Ag, 1.8% Pb, 1.2% Zn, which includes 0.60 m @ 0.867 gpt Au, 848 gpt Ag, 18.2% Pb, 11.7% Zn). “The geological sequence consists of variably sheared and interbedded arenite and lutite…. Alteration comprises green chlorite-epidote-nontronite and sericite with pyrite-calcite veinlets, sphalerite-(galena) veinlets, grey to white bleaching +/- disseminated pyrite (mm-cm) size.
  • Mammoth Resources Corp. is advancing steps towards the planning and permitting to complete a resource definition drill program at its Tenoriba project in Chihuahua. The company also intends to proceed with studies to confirm potential gold-silver recoveries from a coarser fraction heap leach metallurgical test and to define high-grade areas to source material for a pilot plant operation.
  • EV Resources Ltd. announced the mobilization of drilling equipment to its Los Lirios antimony project in Oaxaca. The 1,500-2,000 m drill program targets high-grade Sb mineralization beneath historical workings along the Lirios fault zone, testing for both veins and carbonate replacement targets on 900 m of the 9 km long system.
  • Pinnacle Silver and Gold Corp. released underground sampling results from the Estrella vein at its El Potrero project in Durango. Channel sampling identified two mineralized zones within the 42 m long workings, one of 5.49 gpt Au, 48 gpt Ag across 0.72 m and another yielding 1.87 gpt Au, 51 gpt Ag, averaging 1.1 m in width. The identification of high-grade Au-Ag mineralization at La Estrella is significant, as it lies 500 m from the main Dos de Mayo structure and is topographically 300 to 400 m above, with “… brecciated, lattice bladed and banded textures”. 
  • Questcorp Mining Corp. and partner Riverside Resources Inc. reported results from channel sampling at La Unión, in Sonora. A 30 m continuous channel sample oblique to strike along the decline wall at La Unión mine averaged 20 gpt Au, 226 gpt Ag. The companies continue to forward the CRD and sediment hosted mineralization models for the property.
  • Tocvan Ventures Corp. released drilling results from its maiden (reverse circulation?) drill program on the North block at its Gran Pilar project in Sonora, five kilometers north of the South Block/Main Zone. Highlighted results from five drill holes comprise 7.64 m @ 23 gpt Ag (including 1.53 m @ 92 gpt Ag); 7.63 m @ 18.8 gpt Ag, 0.1% Zn; 10.71 m @ 0.3% Zn; 3.06 m @ 20 gpt Ag, 0.5% Pb, 0.3% Zn. Other elements were as high as 0.13% Cu, 170 ppm As, 276 ppm Sb.

ON MINING

  • Luca Mining Corp. provided its production report for Q4 2025, and achieved its revised full-year 2025 production guidance. During 2025 Campo Morado in Guerrero produced 8,735 Oz Au, 1 M Oz Ag, 4,921 tonnes Pb, 38,740 tonnes Zn, 8,895 tonnes Cu, while Tahuehueto in Durango produced 17,410 Oz Au, 316.1 K Oz Ag, 4,000 tonnes Pb, 6,472 tonnes Zn, 1,185 tonnes Cu, for a consolidated production of 26,144 Oz Au, 1.33 M Oz Ag, 8,921 tonne Pb, 45,212 tonnes Zn, 10,081 tonnes Cu. Payable production ranged between 70 and 82% of metals. During the quarter 5,836 m of drilling were completed, for a total of 22,855 m in the year, with an investment of US$3.8 M. The company’s cash position at the end of the period was US$25.1 M. 
  • Orla Mining Ltd. provided an operational update for the fourth quarter and year 2025. The company produced a total of 95,405 Oz Au in the quarter and 300,620 Oz Au in the year from its operations in Mexico and the US. At Camino Rojo in Zacatecas, 1.86 M tonnes of ore were stacked grading 0.47 gpt Au to produce 19,587 Oz Au during the quarter, and stacked 8.94 M tonnes of ore grading 0.54 gpt Au to produce 96,764 Oz Au in the year.
  • Gold Resource Corp. announced preliminary fourth quarter production from its Don David mine in Oaxaca. During the period 85.9 K tonnes were milled at a rate of 1,305 tpd, grading 0.96 gpt Au, 298 gpt Au, 0.16% Cu, 0.58% Pb, 1.22% Zn, to produce 1,993 Oz Au, 687.5 K Oz Ag, 87 tonnes Cu, 306 tonnes Pb, 750 tonnes Zn. “During the quarter, the Company’s production profile has transitioned into more of a silver producer, accounting for about 80% of its revenue….. a total gold equivalent (AuEq) ounces of 10,413”. For the full year, the company produced 23,125 Oz AuEq. 
  • Pan American Silver Corp. presented preliminary 2025 results, with a total of 22.8 M Oz Ag, 742,200 Oz Au consolidated production. In Mexico the company produced during the fourth quarter 1.61 M Oz Ag, 1,100 Oz Au at La Colorada (Zacatecas), 1.91 M Oz Ag, 4,800 Oz Au at Juanicipio (Zacatecas), 0.11 M Oz Ag, 5,400 Oz Au at Dolores (Chihuahua). For the year production was 6.02 M Oz Ag, 4,600 Oz Au at La Colorada, 2.49 M Oz Ag, 6,700 Oz Au at Juanicipio, 5.4 M Oz Ag, 37,600 Oz Au at Dolores, with 61% of Ag and 6.5% Au consolidated production coming from Mexico. Guidance for 2026 is 25-27 M Oz Ag, 700,000-750,000 Oz Au, with a budgeted US$55 M on brownfield exploration, US$ 55 M on project related exploration and US$-22-25 M on regional exploration in Brazil, Mexico, Canada and Chile.
  • Americas Gold and Silver Corp. had consolidated production of 2.65 M Oz Ag in 2025. At Cosalá, in Sinaloa, 463 K Oz Ag were produced in the quarter, for a total of 1.19 M Oz Ag during the year. The rest of the production was from its USA operations.
  • GoGold Resources Inc. reported production for the quarter ended December 31, 2025. At its Parral operations in Chihuahua, the company produced 205.1 K Oz Ag, 2,914 Oz Au, 96 tonnes Cu, 150 tonnes Zn, or 456.2 K Oz AgEq.
  • Gold Royalty Corp. released preliminary fourth quarter 2025 results. Total revenue, land agreement proceeds and interest was US$5.2 M (revenue of US$4.2 M), or 1,255 Oz AuEq. For 2025, total revenue, land agreement and proceeds and interest added up to US$17.7 M (revenue of US$13.9 M), or 5,173 Oz AuEq (royalty on Cosalá, Sinaloa).
  • Gold Resource Corp. announced that an illegal blockade is underway at its mine in Oaxaca. Employees of terminated contractors on Union membership affiliation grounds established an illegal mine-access blockade. “This dispute is between the union and four contractors who were previously affiliated with the union. This is not a dispute between the Company and the union nor between the Company and the four contractors” (Don David, Oaxaca).
  • Avino Silver & Gold Mines Ltd. reported full year 2025 production of 1.16 M Oz Ag, 7,621 Oz Au, 5.67 M Lb Cu, or 2.6 M Oz AgEq. During the year 724,940 K tonnes were processed at Avino, in Durango, averaging 0.44 gpt Au, 56 gpt Ag, 0.42% Cu, recovering 73% Au, 84% Ag, 84% Cu, to produce 7,544 Oz Au, 1.1 M Oz Ag, 5.67 M Lb Cu (or 2.55 M Oz AgEq). At La Preciosa, 19 kilometers from Avino, 12 K tonnes were processed, averaging 0.32 gpt Au, 191 gpt Ag, recovering 62% Au, 66% Ag, to produce 77 Oz Au, 48.2 K Oz Ag (or 54.9 K Oz AgEq). The company commenced extraction, haulage and processing of mineralized development material from La Preciosa during the fourth quarter 2025. Avino Silver had US$100 M in cash at the end of 2025.  

ON FINANCING

  • Canasil Resources Inc. announced a private placement for a total of C$500 K in gross proceeds. Insiders of the Company subscribed for a total of 2.5 M shares, which constitutes a related party transaction  (Nora, Durango).
  • Silver Spruce Resources Inc. corrected a previous press-release that stated 976 K units offered, to 9.76 M units (Pinos, Chihuahua).
  • Santacruz Silver Mining Ltd. has commenced trading on the Nasdaq Capital Market. (Zimapán, Hidalgo).
  • Silverco Mining Ltd. announced the halting of its common shares on January 21, 2026, at the request of the TSX Venture Exchange to facilitate the review of the binding letter with Nuevo Silver Inc. (Cusi, Chihuahua).
  • Apollo Silver Corp. closed the final tranche of its previously announced non-brokered private placement for aggregate gross proceeds of C$15 M. Eric Sprott, through 2176423 Ontario Ltd.  participated with C$12.5 M, taking its stake in the company to 10.3% of outstanding shares on a non-diluted basis and 15.8% on a partially diluted basis, assuming the exercise of such warrants (Cinco de Mayo, Chihuahua).
  • Kootenay Silver Inc. announced an engagement letter with Red Cloud Securities Inc. as lead underwriter pursuant to which the underwriters have agreed to purchase shares of the company on a bought deal basis in a private placement for C$10 M in gross proceeds. The underwriters have the option to buy shares at the same price for gross proceeds of C$1.5 M before the closing of the placement (Columba, Chihuahua).
  • Guanajuato Silver Co. has been named to the 2026 OTCQX Best 50, a ranking of top performing companies traded on the OTCQX Best Market last year (El Cubo, Guanajuato).
  • Kootenay Silver Inc. increased the size of its previously announced “bought deal”  private placement from C$10 M to C$16.5 M in gross proceeds. The underwriters have the option to buy shares for another C$1.5 M in gross proceeds.(undisclosed projects, Mexico).
  • Luca Mining Corp. has been named to the 2026 OTCQX Best 50,  a ranking of top performing companies traded on the OTCQX Best Market last year (Campo Morado, Guerrero).
  • EV Resources. confirmed the receipt of A$600 K in cash from the sale of a project in Australia. The funds are to be used in the upcoming drill program at Los Lirios antimony project in Oaxaca.
  • Pacifica Silver Corp. closed its previously announced upsized, private placement offering for aggregate gross proceeds of C$23 M (Claudia, Durango).

ON RESOURCES AND DEVELOPMENT

  • Kootenay Silver Inc. engaged  engineering firms Sacré-Davey Engineering Inc. and Canenco Consulting Corp. to conduct a preliminary economic assessment (PEA) on its La Cigarra project in Chihuahua. The pit constrained mineral resource totals 51.6 M Oz Ag in the measured and indicated categories in 15.7 M tonnes averaging 0.07 gpt Au, 102 gpt Ag, 0.16% Pb, 0.21% Zn and 11 M Oz Ag on the inferred category in 3.4 M tonnes averaging 0.06 gpt Au, 102 gpt Ag, 0.2% Pb, 0.19% Zn. 
  • Vizsla Silver Corp. informed that during 2025 the company published a feasibility study (FS) on the Panuco project in Sinaloa, with $1.8 B after-tax NPV. 11% IRR and a 7-month payback period, with annual production of 17.4 M Oz AgEq over 9.4 years, securing financing with over US$450 M in cash and advanced test mine operations to 700 m depth. For 2026, Vizsla plans to begin construction following receipt of environmental permits (expected mid-year), complete 60,000 m of drilling on the district, advance detailed engineering and contractor selection and continue exploration on newly acquired properties.
  • Capitan Silver Corp. commenced a 60,000 m drilling campaign of diamond and reverse circulation (RC) drilling for 2026 at its Cruz de Plata project in Durango. The company informed that during 2025 the company raised C$29 M, restarted drilling operations, the first since 2023, extending mineralization by 250 m, increased Capitan Hill resources to 525,000 Oz Au, bought the main royalty on the project for US$1 M, and acquired claims from Fresnillo, consolidating and increasing the land position by 85%. For 2026 Capitan Silver launched a drilling campaign, expanding from one RC rig to three core rigs and one RC rig, with focus on several targets including the 3.7 km Jesús María trend and infill drilling at Capitan Hill to upgrade resources. An airborne geophysical survey is planned, as well as mechanical trenching.
  • Mithril Silver and Gold Ltd. released drilling results from expansive resource drilling at Target 1 within the Copalquin project in Durango. Drilling extended 300 m west the mineralized structure and 300 m down dip on the Refugio 1 structure. Highlighted core length intercepts comprise 3.95 m @ 1.37 gpt Au, 22 gpt Ag; 3.05 m @ 1.68 gpt Au, 107 gpt Ag (including 0.5 m @ 9.6 gpt Au, 612 gpt Ag); 2.8 m @ 2.29 gpt Au, 60 gpt Ag; 4.4 m @ 2.18 gpt Au, 15 gpt Ag (including 0.5 m @ 15.5 gpt Au, 66 gpt Ag); 1.55 m @ 2.11 gpt Au, 6 gpt Ag; 1.35 m @ 21.94 gpt Au, 357 gpt Ag (including 0.5 m @ 57.65 gpt Au, 924 gpt Ag); 5.45 m @ 0.78 gpt Au, 36 gpt Ag.
  • Alamos Gold Inc. updated on drilling results within the Mulatos District in Sonora, where exploration has shifted from targeting oxides to higher grade sulfide mineralization. “A total of $20 million was spent on exploration in the Mulatos District in 2025, similar to spending in 2024. The near-mine and regional drilling program totalled 56,117 m in 170 holes. This included 13,779 m of surface exploration drilling in 58 holes at the GAP-Victor and PDA targets at PDA, and 21,394 m in 56 holes at Cerro Pelon. Regional exploration drilling totalled 20,944 m in 56 holes …” with the Halcon discovery being part of the latter program.  At Cerro Pelón, drill intersects comprise 23.85 m @ 5.60 gpt Au; 5.93 m TW @ 5.85 gpt Au; 15.15 m @ 6.58 gpt Au; 8.67 m TW @ 6.64 gpt Au; 14.10 m @ 4.28 gpt Au; 4.25 m @ 12.95 gpt Au; 7.20 m @ 6.13 gpt Au; 2.75 m @ 6.05 gpt Au. At PDA (Puerto del Aire) drill intersects comprise 8.97 m @ 13.64 gpt Au; 15.60 m @ 3.72 gpt Au; 15.61 m @ 4.27 gpt Au; 14.92 m @ 4.85 gpt Au; 6.92 m @ 8.79 gpt Au; 7.10 m @ 5.77 gpt Au; 2.91 m @ 15.00 gpt Au; 0.81 m @ 43.70 gpt Au. At Halcon drill intersects comprise 47.60 m @ 3.04 gpt Au (including 4.50 m @ 7.78 gpt Au; 3.75 m @ 13.41 gpt Au); 37.35 m @ 3.53 gpt Au (including 10.20 m @ 8.13 gpt Au); 31.50 m @ 3.46 gpt Au (including 6.00 m @ 5.56 gpt Au); 19.00 m @ 3.88 gpt Au (including 3.40 m @ 10.08 gpt Au).
  • Silver Tiger Metals Inc. filed two studies, a preliminary economic assessment (PEA) on the underground at El Tigre and an updated prefeasibility study (PFS) on the Stockwork Zone for its El Tigre project in Sonora. The PEA proposes a base-case Ag price of US$38 per Oz and of US$3,200 per Oz Au, with After-Tax (NPV 5%) of US$ 304 M and After-Tax IRR of 42.8% and a payback period of 2.6 years. The study envisages 15-year UG mine life with 3-year historical tailings processing  to recover 34 M Oz Ag, 130 K Oz Au (or 38 M Oz AgEq, or 453 K Oz AuEq), producing an average of 2.1 M Oz Ag, 8 K Oz Au per year. The updated PFS with the same base-case metal prices includes an After-Tax (NPV 5%) of US$456 M with an After-Tax IRR of 65.7% with a 1.4 years payback period, 10-year mine life recovering 9 M Oz Ag, 408 K Oz Au (or 43 M Oz AgEq, or 509 K Oz Au), producing an average of 4.8 M Oz AgEq or 56.5 K Oz AuEq. 

ON DEALS AND CORPORATE ISSUES

  • Bear Creek Mining Corp. filed its notice of meeting, management information circular and related documents with securities regulators in connection with the special meeting of shareholders of Bear Creek to approve the proposed plan of arrangement with Highlander Silver Corp. and the interest deferral agreements entered into between the company and each of Royal Gold Inc. and Equinox Gold Corp. The proxy voting deadline is February 17, 2026 (Mercedes, Sonora).
  • Mammoth Resources Corp. announced shareholders at its annual general meeting (AGM) elected Thomas Atkins, Paul O’Brien, Jose Antonio Berlanga Balderas, Edgardo Espinosa Velasco, Jose Antonio Berlanga Lopez, and Richard Simpson as directors and appointed Kresto GTA, Chartered Accountants as auditors of the company (Tenoriba, Chihuahua). 
  • Regency Silver Corp. entered into an agreement to option the 4,823 ha La India mining concession located 10 km to the north of its Dios Padre project in Sonora. The claim hosts Early cretaceous andesitic volcanic rocks that are proximal to late cretaceous plutonic rocks associated with Laramide age porphyries in the district. The deal involves an initial US$60 K payment and staged payment totalling US$580 K over five years , as well as to pay US$145 K in owed taxes. A payment of US$1 M is due upon the publication of a mineral resource estimate over 1 M Oz Au. The vendors are entitled to a 2% NSR, on which the company has the right to purchase half by paying US$1 M. 
  • Silverco Mining Ltd. entered into a binding letter to acquire Nuevo Silver Inc., which recently entered into a share purchase agreement to acquire 100% of the producing La Negra mine in Querétaro. Holders of Nuevo Silver shares will be issued 16.8 M Silverco shares, and upon completion former holders of Silverco shares will hold 34% of Silverco shares. Silverco will also assume US11 M in debt associated with La Negra mine, US$12.5 M in milestone payments due in Q1 2027 and US$5 M in contingent payments potentially due between Q1 2027 and Q1 2028. “La Negra is currently operating at approximately 55% capacity”.
  • Southern Empire Resources Corp. completed the acquisition of the 1,750 ha Pedro gold project in Durango, from Enduro Metals Corp. The company issued Enduro 2 M common shares, agreeing to a future milestone payment of US$2 M upon production commencement, with Enduro retaining a 2% NSR. The project area displays “hematite-stained, silica-rich ridges of angular chalcedony fragments and silicified sedimentary rocks within a coarse breccia” with values of up to 2.3 gpt Au”. Geology, alteration and geochemistry mapped at Pedro are indicative of a potential low-sulphidation epithermal vein system, with some indications of possible Carlin style mineralization. Previous drilling intercepted up to 15.2 m averaging 0.577 gpt Au. “Fortuna Mining Corp. (Fortuna) has informed Southern Empire that it has resumed its 3,500 m core drilling program at the Centauro Gold Project, located 100 km northwest of Pedro”. Fortuna acquired the option rights for Centauro from Southern Empire in 2025.
  • Radius Gold Inc. informed that between “2019 and 2022, Radius and joint venture partner Pan American Silver Corp. completed 67 drill holes for 23,058 meters of diamond drilling at the Amalia Project, in Chihuahua, with multiple targets remaining untested. “Pan American held the right to earn 65 % interest under an existing option agreement. As operator Pan American Silver suspended work on the property during merger negotiations with Yamana in 2022. Radius continues discussions with Pan American with the objective of agreeing a pathway forward for the Amalia … ” project.
  • Silver Viper Minerals Corp. announced the appointment of Mr. Rakesh Malhotra as chief financial officer (La Virginia, Sonora).

ON SOCIAL RESPONSIBILITY

  • No Relevant News. 

On the image below: Quartz veining cut by late specularite veins in volcanosedimentary rocks, HQ core. Picture by Jorge Cirett.

The Mining and Exploration News in Mexico: Highlights on the Third Week of December, 2025

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Quartz hydrothermal breccia

By Miguel A Heredia

During the 51st week of the year (December 15th to December 21st 2025), at least 43 press releases were announced by companies working in Mexico, with eighteen disclosing deals and corporate issues, ten announcing financial rounds, eight informing on exploration results, four communicating production results, two reporting resources and development of their properties, and one commenting on Mexican issues. ON MEXICO ISSUES, First Majestic and Pacifica Silver reported the best drilling intercepts in Mexico on the third week of December, 2025. ON EXPLORATION, In Sonora, Kenadyr (to be renamed Algo Grande Copper) filed a technical report for its Adelita project and Colibri reported drilling progress at its EP project. In Chihuahua, Kingsmen released high grade gold results from 527 samples collected at its Almoloya project and Advance Metals informed that its drilling program at Yoquivo is progressing well. In Durango, Pinnacle reported that it has prepared an inaugural underground drilling program for its El Potrero project, and Pacifica Silver released assay results from its drilling program at Claudia project. In Oaxaca, EV Resources finalized plans for a maiden drill program at its Los Lirios project and reported preliminary metallurgical recovery results. ON MINING, Starcore presented results for the second quarter ended October 31, 2025 (San Martin mine, Queretaro). Heliostar restarted mining operations in San Agustin, Durango. Silver Storm informed that it plans to restart operations at its la Parrilla mine in Durango by early 2026. ON FINANCING, Regency Silver announced second upsize of its previously announced brokered LIFE offering for gross proceeds of up to CAD $3.5M, and announced a concurrent non-brokered private placement for gross proceeds of CAD $87.5K (Dios Padre project, Sonora). Sonoro Gold notified about a fully-committed non-brokered private placement for gross proceeds of CAD $4M (Cerro Caliche project, Sonora). Kenadyr Metals Corp (to be renamed Algo Grande Copper) closed the third and final tranche for gross proceeds of $868,012.88 (Adelita project, Sonora). Southern Silver announced the closing of its previously announced bought deal LIFE offering for gross proceeds of CAD $6M (Cerro Las Minitas, Durango). Capitan Silver closed its previously announced bought deal offering for gross proceeds of CAD $23,006,497.50 (Cruz de Plata project, Durango). Fuerte Metals completed its previously announced brokered private placement for gross proceeds of CAD $17,249,933 (Cristina project, Chihuahua). GR Silver closed its previously announced bought deal offering for gross proceeds of CAD $20M (Plomosas project, Sinaloa). Sierra Madre announced a private placement for gross proceeds of up to USD $50M (La Guitarra mine, Estado de Mexico). Pinnacle closed a first tranche of a non-brokered private placement for gross proceeds of USD $1,067,532.94 (El Potrero project, Durango). ON RESOURCES AND DEVELOPMENT, First Majestic announced significant exploration success at its Santa Elena mine in Sonora.  ON DEALS AND CORPORATE ISSUES, Orla announced the appointment of Joanna Pearson as Independent Non-Executive Director (Camino Rojo, Zacatecas). Teck and Anglo American announced that they received regulatory approval from the Government of Canada under the Investment Canada Act (ICA) for their merger of equals, which will form a new global critical minerals company named Anglo Teck (San Nicolas project, Zacatecas).  Silver Wolf completed acquisition of Ana Maria and Laberinto projects in Durango. Fortune Bay provided an update regarding recent regulatory developments in the State of Chiapas, Mexico, that may affect the Company’s Rio Negro concession (Poma Rosa Project). Apollo informed on ongoing community engagement activities at its Cinco de Mayo project in Chihuahua. Fuerte Metals reported voting results from its annual general and special meeting of shareholders (Cristina project, Chihuahua). Agnico Eagle announced additional investment in Osisko Metals Incorporated (Pinos Altos, Chihuahua). Vizsla informed that it entered into an agreement to acquire from Minera Fresnillo strategic claims that surround its Panuco property in Sinaloa. Sierra Madre announced agreement to acquire the Del Toro mine in Zacatecas from First Majestic. Minaurum Gold informed that it has changed its name to Minaurum Silver (Alamos Silver project, Sonora).  Bear Creek and Highlander entered into a definitive agreement to combine their respective business (Mercedes mine, Sonora).  Kenadyr completes change of name to Alto Grande Copper (Adelita project, Sonora). Kootenay issued a statement in response to a request of OCT markets regarding recent promotional activities related to its common shares traded on the OTCQX marketplace (Columba project, Chihuahua). First Majestic announced the promotion of Mani Alkhafahi to President & Chief Corporate Development Officer, effective January 1, 2026 (Santa Elena and Ermitaño mines, Sonora). Mercado Minerals signed community agreement with local ejidos in Copalito, Sinaloa. Infinitum Copper reported voting results from its annual general and special meeting of shareholders. Chesapeake granted stock options to officers of the company (Metates project, Durango). ON SOCIAL RESPONSIBILITY, No relevant news.

ON MEXICO ISSUES

  • First Majestic Silver Corp., and Pacifica Silver Corp., reported the best drilling intercepts in Mexico on the third week of December, 2025. Details are shown in the table below:

ON EXPLORATION

  • Kenadyr Metals Corp (to be renamed Algo Grande Copper Corp) filed an independent NI43-101 technical report, dated effective August 15, 2025 for its Adelita project in Sonora.
  • Colibri Resource Corporation reported RC drilling progress at the San Perfecto target within its EP project in Sonora. To date, the company has completed 11 RC holes totalling approximately 906m at the San perfecto and Banco de Oro targets. Samples are currently being prepared to submit them to the lab for assays. First results are expected to be received in January 2026.
  • Kingsmen Resources Ltd., released high grade gold sampling results from its Almoloya project in Chihuahua. A total of 527 samples have been collected from historic underground workings and surface samples on the Juliettas prospect in the South Block. 28 samples out of 527 returned >6.16 g/t Au; 82 samples between 1.14 and 5.9 g/t Au; 168 samples between 0.13 and 1.02 g/t Au; and 249 samples < 0.13 g/t Au. The structures are from 50m to 400m in length, are up to 1.2m wide and are up to 200m deep. The gold mineralization occurs with calcite-dolomite-iron oxide-quartz-magnetite-pyrolusite/ psilomelane and pyrite in veins and stockworks. The host rock is limestone with moderate to strong marbling and recrystallization.
  • Advance Metals Limited informed that its drilling program at Yoquivo, Chihuahua is progressing rapidly. To date five drill holes have been completed with assay results pending.  The new drilling includes down-dip extensional targets at Pertenencia below the existing Foreign Estimate. Drilling will continue in 2026 testing multiple additional targets including newly discovered veining that previously returned surface rock chip samples up to 1,594g/t AgEq. Additionally, a high-resolution airborne LiDAR survey has also recently been completed at the project, with processed data expected to be available shortly.
  • Pinnacle Silver and Gold Corp., reported that it has prepared an inaugural underground drilling program for its El Potrero project in Durango. To date, the plan is to drill approximately 2,600m in 112 holes and is expected to be completed in about six weeks. The underground drill program will commence after certain development work is completed to create enough room for the drill set ups and make sure that the drillers will have a safe working environment. This work will take about a month to complete.
  • Pacifica Silver Corp., released assay results from the first 10 of 29 drilling program at its Claudia project in Durango. Drilling highlights include hole25 CLAU039D with 0.20 g/t Au and 18 g/t Ag (35 g/t AgEq) over 13.35m, including 0.8 g/t Au and 119 g/t Ag (187 g/t AgEq) over 0.80m, plus 0.43 g/t Au and 91 g/t Ag (128 g/t AgEq) over 0.45m, plus 2.94 g/t Au and 313 g/t Ag (566 g/t AgEq) over 6.35m, including 6.4 g/t Au and 1,390 g/t Ag (1,941 g/t AgEq) over 1.30m, including 9.27 g/t Au and 1,905 g/t Ag (2,702 g/t AgEq) over 0.85m; and hole 25CLAU037D with 0.45 g/t Au and 46 g/t Ag (85 g/t AgEq) over 2.45m, including 1.15 g/t Au and 113 g/t Ag (211 g/t AgEq) over 0.35m, plus 2.29 g/t Au and 51 g/t Ag (248 g/t AgEq) over 10.5m, including 3.38 g/t Au and 74 g/t Ag (364 g/t AgEq) over 6.55m, including 20.3 g/t Au and 81 g/t Ag (1,827 g/t AgEq) over 0.60m. Both holes were drilled on Aguilareña-Tres Reyes Vein. To date, a total of 7,992m has been drilled in 29 holes and includes 3,584 m in 15 holes at Aguilareña Vein; 2,285m in 8 holes at the Guadalupe Vein; and 1,457m in 6 holes testing the Justina, West, Central and Pinolera Veins.  The Company expects to conclude its Phase I drill program by the end of December 2025 and commence Phase II drilling in January 2026 with three active drill rigs on site.
  • EV Resources finalized plans for a maiden drill program at its Los Lirios project in Oaxaca and reported preliminary metallurgical recovery results. This Phase 1 drill program will consists of 1,500-2,000m and will test high-grade antimony beneath historical old workings along the Lirios Fault Zone over approximately 900m of strike within a broader 4kmmapped system. The drill program is a critical since step as it moves from surface exploration to subsurface definition, targeting a maiden JORC resource in Q3, 2026. It also reported exceptional preliminary metallurgical recovery results with 90.8% recovery established in preliminary metallurgical test work using a simple reagent-free , two stages gravity process, and 99.2% from a high-grade sulphide flotation test followed by regrinding of rougher concentrate and two-stages cleaning.

ON MINING

  • Starcore International Mines Ltd., presented results for the second quarter ended October 31, 2025 from its San Martin mine in Queretaro (all currency expressed in Canadian dollars). The company mined 52,000 tonnes of 1.33 g/t Au and 15 g/t Ag with metallurgical recoveries of 77.2% and 49.3% respectively, to produce 1.7K Oz Au and 11.9K Oz Ag (1,860 Oz AuEq). Starcore also reported revenues of $10.7M; cash of $9.8M; working capital of $7M; income from mining operations of $2.4M; loss of $0.7M; and EBITDA of $1.7M.
  • Heliostar Metals Ltd., announced that mining, crushing and conveying and stacking of ore onto the leach pad at San Agustin, Durango as recommenced. The restart is expected to produce about 45K Oz Au at an AISC of USD $1,990 per Oz AuEq, generating roughly USD $40M in cash flow at a USD $3,000/Oz Au price. Initial capital expenditures are estimated at USD $4.2M. Heliostar is concurrently advancing a 10,000‑15,000 m drilling program aimed at extending the oxide resource and lengthening the mine’s life. To date, 37 drill holes (≈3,300 m) have been completed, with assays pending. A previous operator reported high-grade oxide intercepts from the priority Corner SW target area, including 3.52 g/t Au over 32m in hole 14-SAGRC-196.
  • Heliostar Metals Ltd., announced that they have received positive media reports indicating that their La Colorada expansion project in Sonora, Mexico, is progressing. They applied for and are awaiting approval of a permit to expand the Veta Madre open pit, with an expectation for completion in early 2026. The permit review by the Mexican environmental agency SEMARNAT was smooth, with no questions raised during the mandatory 20-day period, so approval is expected soon. The company plans to restart open-pit mining at La Colorada in Q1 2026, as part of its broader strategy to grow into a mid-tier gold producer through resource development and expansion of operations in Mexico.
  • Silver Storm Mining Ltd., informed that it plans to restart operations at its la Parrilla mine in Durango for which it placed orders for new equipment and ventilation systems all set for early 2026. This includes underground mining equipment, development and production drills as well as ventilation system fans. This critical equipment is essential to advance toward the potential restart of operations as early as Q2, 2026 and unlocking the full potential of La Parrilla mine.

ON FINANCING

  • Regency Silver Corp., announced second upsize of its previously announced brokered LIFE offering for gross proceeds of up to CAD $3.5M from the issuance of 20,000,000 units at a price of CAD $0.175 per unit, and announced a concurrent non-brokered private placement of 500,000 units at a price of CAD $0.175 per unit for gross proceeds of CAD $87.5K. Later on, it announced that it closed its brokered private placement of units for aggregate gross proceeds of approximately CAD $3,991,000. The company also informed that it closed a concurrent non-brokered private placement of units for additional gross proceeds of CAD $87,500. Gross proceeds will be used for drilling on Dios Padre Project in Sonora and general working capital purposes.
  • Sonoro Gold Corp., notified about a fully-committed non-brokered private placement consisting of 20,000,000 units at a price of CAD $0.2 per unit for gross proceeds of CAD $4M. Funds will be used to advance its Cerro Caliche project in Sonora and for general working capital purposes.
  • Kenadyr Metals Corp (to be renamed) Algo Grande Copper closed the third and final tranche of 2,314,701 subscription receipts at a price of CAD $0.375 per subscription receipt for gross proceeds of CAD $868,012.88. Including the first and second tranche proceeds, the offering has raised CAD $3,824,400 in aggregate gross proceeds. The company plans to use the gross proceeds in exploration and property payment on the Adelita project in Sonora, salaries and consulting fees, marketing and investor relations, payment of existing accounts payable, loan repayments, and other general and administrative expenses, including legal, accounting and audit expenses.
  • Southern Silver Exploration Corp., announced the closing of its previously announced bought deal LIFE offering of 12,000,000 common shares at a price of CAD $0.5 per common share for gross proceeds of CAD $6M. Southern Silver will use the gross proceeds for the advancement of the Cerro Las Minitas project in Durango, as well as for working capital and general corporate purposes.
  • Capitan Silver Corp., closed its previously announced bought deal offering of an aggregate of 11,333,250 common shares at a price of CAD $2.03 for gross proceeds of CAD $23,006,497.50. Gross proceeds will be used to fund exploration activities at Cruz de Plata project in Durango, as well as for working capital and general corporate purposes.
  • Fuerte Metals Corporation completed its previously announced brokered private placement for gross proceeds of CAD $17,249,933.  (Cristina project, Chihuahua).
  • GR Silver Mining Ltd., closed its previously announced bought deal offering issuing 66,666,832 units at a price of CAD $0.30 per unit for gross proceeds of CAD $20M. Net proceeds will be used for advancement of its Plomosas project in Sinaloa, and for working capital and general corporate purposes.
  • Sierra Madre Gold and Silver Ltd., announced a private placement of up to 38,462,000 subscription receipts at a price of USD $1.3 per subscription receipt for gross proceeds of up to USD $50M. “The company intends to use the net proceeds of the offering to fund the completion of the transaction, for exploration and development of Del Toro mine in Zacatecas, following completion of the transaction and for general working capital purposes” (La Guitarra mine, Estado de Mexico).
  • Pinnacle Silver and Gold Corp., closed a first tranche of a non-brokered private placement of 7,268,171 units at a price of USD $0.14 per unit for gross proceeds of USD $1,067,532.94. Gross proceeds will be used to advance El Potrero project in Durango, for project evaluations, and for general working capital.

ON RESOURCES AND DEVELOPMENT

  • First Majestic Silver Corp., and Orogen Royalties Inc., announced significant exploration success at its Santa Elena mine in Sonora, with expanded gold and silver mineralization at the Santo Niño and Navidad discoveries to over 1.1km along strike by 400m down-dip, with true thickness ranging from 2.5 to 5.0m in the case of Santo Niño, and to over 1.2km by 400m, with thickness ranging from 3.0-4.0m at Navidad. Orogen holds 2% net smelter return on the Ermitaño mine which is part of the Santa Elena mine complex. “During 2025, a total of 64,000m of exploration drilling was planned by First Majestic and the Company has completed approximately 66,800m to date, reflecting a decision to increase the targeted metres in a context of exploration success and the Company’s overarching growth strategy”. Key drilling highlights at Navidad target include hole EWUG-25-074 with 5.8 g/t Au and 126 g/t Ag over 8m. The company completed 11,190m of drilling at the Luna Zone to convert Inferred Mineral Resources to Indicated Mineral Resources. Preliminary mine planning studies for Santo Niño and Navidad are underway, exploring potential underground mining strategies. An internal scoping study for the Navidad vein suggests access via a ~3km underground ramp. Metallurgical testing confirmed excellent gold and silver recovery rates exceeding 95%, compatible with the Santa Elena processing plant. The company plans to increase the Santa Elena plant’s throughput from 3,200 to 3,500 tonnes per day by the end of 2026. 

ON DEALS AND CORPORATE ISSUES

  • Orla Mining Ltd., announced the appointment of Joanna Pearson as Independent Non-Executive Director, effective immediately (Camino Rojo, Zacatecas).
  • Teck Resources Limited and Anglo American plc announced that they received regulatory approval from the Government of Canada under the Investment Canada Act (ICA) for their merger of equals, which will form a new global critical minerals company named Anglo Teck. Global headquarters will be located in Vancouver, BC in Canada and will be trading on the London Stock Exchange. Anglo Teck is committed to spend at least CAD $10B over 15 years in Canada. Other commitments include maintaining Canadian employment levels, supporting Canadian junior mining companies, establishing a Global Institute for Critical Minerals Research and Innovation (involving institutions in Canada, South Africa, and the UK), and continuing remediation and reclamation activities . The company also reaffirms its enduring commitment to South Africa (San Nicolas project, Zacatecas).
  • Silver Wolf Exploration Ltd., completed acquisition of Ana Maria and Laberinto projects in Durango. To acquire a 100% interest in the Ana Maria and Laberinto projects, the company issued to Avino Silver & Gold Mines Ltd, 2,000,000 common shares at a deemed price of CAD $0.20 per common share for an aggregate value of CAD 400K. Under the terms of the option agreement, Silver Wolf has issued a total of CAD $600K worth of common shares, satisfied by the issuance of 3,181,718 common shares at deemed price of CAD $0.20 and  incurred over CAD $750K in exploration expenditures on the properties.
  • Fortune Bay Corp., provided an update regarding recent regulatory developments in the State of Chiapas, Mexico, that may affect the Company’s Rio Negro concession (Poma Rosa Project). On 19 Nov 2025, the Chiapas government decreed the “Zona Sujeta a Conservación Ecológica Mina Banderas” protected area, overlapping 11% of the Rio Negro concession, including part of the Campamento gold-silver deposit. Fortune Bay has filed an amparo in federal court contesting the decree on due-process, consultation and federal-vs-state jurisdiction grounds, seeking to preserve its mining rights. The company has also been making good progress working with local landowners for exploration agreements. No immediate impact on operations or finances is expected, but timing might be uncertain.
  • Apollo Silver Corp., informed on ongoing community engagement activities with the Ejido Benito Juarez at its Cinco de Mayo project in Chihuahua. The proposed agreement is to rescind a property access ban from 2012 and establish a long-term agreement for mineral exploration and mining at the Cinco de Mayo property to provide economic benefits, including over a 30-year period approximately USD $50M in annual payments, local employment opportunities, and support for community priorities. Community discussions are ongoing, with a general assembly planned for early 2026 to vote on the agreement.
  • Fuerte Metals Corporation reported voting results from its annual general and special meeting of shareholders. The company also appointed Kerry Sparkes and Scott J Hicks as technical advisors to the Board of Directors (Cristina project, Chihuahua).
  • Agnico Eagle Mines Limited announced additional investment in Osisko Metals Incorporated. It acquired 26,000,000 common shares of Osisko pursuant to a non-brokered private placement at a price of CAD $0.48 per common shares for total consideration of CAD $12,480,000 (Pinos Altos, Chihuahua).
  • Vizsla Silver Corp., informed that it entered into an agreement to acquire from Minera Fresnillo strategic claims that surround its Panuco property in Sinaloa. The agreement involves ten claims comprising 2,378 hectares along the highly prospective Panuco-San Dimas corridor. Seven of these claims comprising 1,734 hectares occur adjacent to the Panuco project, covering potential extensions of veins with known mineralization. Vizsla has agreed to pay USD $2M and issue 854,697 common shares (USD $4M) to Fresnillo as consideration for the claims.
  • Sierra Madre Gold and Silver Ltd., announced agreement to acquire the Del Toro mine in Zacatecas from First Majestic Silver Corp., for total consideration of up to USD $60M. Pursuant to the transaction, Sierra Madre will acquire a 100% interest in the 2,129 hectares Del Toro property that include three fully permitted underground mines, a 3,000 tonnes per day flotation processing circuit and numerous historic mines.
  • Minaurum Gold Inc., informed that it has changed its name to Minaurum Silver Inc. The company´s common shares will commence trading under its new name on the TSX Venture Exchange at market open on December 22, 2025 with the new name, new CUSIP and new ISIN numbers. The company´s stock symbols will remain “MGG” on the TSXV and “MMRGF” on the OTCQX (Alamos Silver project, Sonora).
  • Bear Creek Mining Corporation and Highlander Silver Corp., entered into a definitive agreement to combine their respective business to create leading growth company in the silver sector. “Bear Creek Shareholders will receive 0.1175 common shares in the capital of Highlander Silver in exchange for each Bear Creek Share held immediately prior to the effective time of the Arrangement. Upon completion of the Arrangement, existing holders of Highlander Shares and former Bear Creek Shareholders will own approximately 82% and 18% of the total issued and outstanding Highlander Shares, respectively, on a fully-diluted basis” (Mercedes mine, Sonora).
  • Kenadyr Metals Corp., completes change of name to Alto Grande Copper Corp., effective at market opening on or about December 23, 2025. Common shares of Alto Grande are expected to commence trading under the symbol “ALGR” on Tier 2 of the TSX Venture Exchange, upon satisfaction of all conditions of the company´s reactivation. The company also reported the acquisition of 100% interest in the Adelita project in Sonora, and the appointment of Gordon Neal to the Board of Directors.
  • Kootenay Silver Inc., issued a statement in response to a request of OCT markets regarding recent promotional activities related to its common shares traded on the OTCQX marketplace. The company clarified that it had engaged Sideways Frequency LLC (SFLLC), an independent third-party firm, to provide investor relations and marketing services for two three-month terms, paying a total of $500,000. SFLLC conducted promotional activities such as email campaigns, digital ads, and content creation, using publicly available information from Kootenay’s disclosures. Kootenay stated that it had editorial control over the promotional material for accuracy but was not directly involved in its creation or distribution. The company believes the increase in trading volume of its shares was primarily driven by rising silver prices, positive market conditions, and recent drill results, rather than the promotional activities. Kootenay confirmed that no management, directors, or major shareholders were involved in creating or distributing promotional materials, nor did they trade the company’s securities in the past 90 days (Columba project, Chihuahua).
  • First Majestic Silver Corp., announced the promotion of Mani Alkhafahi to President & Chief Corporate Development Officer, effective January 1, 2026.
  • Mercado Minerals Ltd., signed community agreement with Ejido Llano Grande and Ejido La Lapara in Copalito, Sinaloa. With the agreement signed, Mercado is positioned to advance and complete the drilling permit process. The company will pay an annual fee of MXP $100K effective January 1st, 2026, with a one-year renewal option, and will be committed to repair segments of local roads utilized in its operations, supporting infrastructure improvements for the communities.
  • Infinitum Copper Corp., reported voting results from its annual general and special meeting of shareholders. In this annual meeting, shareholders approved the sale and disposition by the company to Kenadyr Metals Corp., of all the outstanding shares in the capital of Exploraciones Margarita S.A. de C.V.
  • Chesapeake Gold Corp., granted stock options to officers of the company to purchase an aggregate of 69,000 common shares of the company at a price of CAD $2.48 per common share for a five-year term expiring December 19, 2030 (Metates project, Durango).

ON SOCIAL RESPONSIBILITY

  • No relevant news.

Content like what you have just read can be seen at https://gambusinoprospector.com/ and at LinkedIn’s Mexico Mineral Exploration Group.

On the picture below, a hydrothermal breccia cemented by FeOx-Cu carbonates-sulphides in an IOCG project in Sonora, Mexico. Photo taken by Miguel A Heredia.

The Mining and Exploration News in Mexico; Highlights on the Second Week of December 2025

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By Jorge Cirett

During the 50th week of the year (December 8th to December 14th, 2025), companies working in Mexico presented 28 press releases.  One company informed about exploration advances on its early-stage property. One company reported results for its fiscal year. Seven companies presented news on financing rounds, and one each on consolidation of shares, dividends and new market listings. Six companies presented updates on advanced properties/mines. Four companies informed on deals and corporate issues. ON MEXICO ISSUES, the backlog in permitting is being reduced, not as fast as the industry requires, but it is a signal by the government that more investment is wanted. ON EXPLORATION, in Sonora, Colibri Resource commenced an RC drilling campaign at the EP project. ON MINING, GoGold Resources announced financial results for its fiscal year. ON FINANCING, six companies informed on financing rounds: Capitan Silver (C$20 M), Gold Royalty (US$103.5 M), First Majestic Silver (US$350 M), Minera Alamos (C$3.5 M), Minaurum Gold (25 M), Regency Silver (C$3 M). Santacruz Silver Mining consolidated its shares on a 4:1 basis. Vizsla Royalties graduated to the OTCQX. Sailfish Royalties declared a quarterly dividend. ON RESOURCES AND DEVELOPMENT, Regency Silver informed on the drilling at Dios Padre, in Sonora. Vizsla Silver filed the FS on the Panuco project, in Sinaloa. Silverco Mining presented an updated MRE for its Cusi project, Chihuahua. Impact Silver released results from underground drilling at its Plomosas mine, in Chihuahua. Heliostar Metals completed a PFS on Cerro del Gallo project , in Guanajuato. Coeur Mining provided an update on 68,000 m of drilling at Palmarejo, in Chihuahua. ON DEALS AND CORPORATE ISSUES, Teck Resources shareholders voted FOR in the merger with Anglo American, same that received the needed government approval on the week. Pinnacle Gold and Silver received conditional approval by the TSX to pay all finders fees associated with the El Potrero option agreement in Durango. Defiance Silver had its AGM. Kingsmen Resources contracted promotional services. ON SOCIAL RESPONSIBILITY, Fortune Bay announced its formal Environmental, Social & Governance (ESG) Policy (Poma Rosa, Chiapas).

ON MEXICO ISSUES

Fernando Aboitiz, head of the Extractive Activities Coordinating Unit from the Economy Secretariat, pointed that nearly 65% of the backlog on permitting for mining activities has been cleared, and that mid 2026 it could be normalized. At the beginning of this presidential term 176 projects were paused, to date 110 have been authorized and 66 are pending. States like Zacatecas, Sonora, Chihuahua and Durango are to be among the most benefited by the issuing of permits. 

ON EXPLORATION

  • Colibri Resource Corp. has commenced a reverse circulation drilling campaign at its 4,766 ha EP project in Sonora.

ON MINING

  • GoGold Resources Inc. announced financial results for the year ending September 30, 2025. During the period, 416.6 K tonnes were stacked at its Parral operations, selling 2.14 M Oz Ag, produced at cash cost $18.35 per Oz AgEq and an AISC of $23.72 per Oz AgEq. The company had revenue of US$72.5 M, an operating income of US$17.1 M, and net income of US$17.3 M.

ON FINANCING

  • Capitan Silver Corp. entered into deal with a syndicate of underwriters led by Stifel Canada in connection with a “bought deal” private placement offering for aggregate gross proceeds of C$20 M. A cash commission of 6% of the gross proceeds shall be paid to the underwriters  (Cruz de Plata, Durango).
  • Gold Royalty Corp. entered into an agreement with National Bank Capital Markets, BMO Capital Markets, and RBC Capital Markets as joint bookrunners, on behalf of a syndicate of underwriters that are to purchase on a bought deal basis, common shares of the company for aggregate gross proceeds of US$70 M (royalty on Coazamin, Zacatecas).
  • Santacruz Silver Mining Ltd. announced the consolidation of its shares on a four to 1 (4:1) basis on December 10, 2025, subject to final approval by the TSX Venture Exchange  (Zimapán, Hidalgo).
  • First Majestic Silver Corp. announced the closing of its previously announced US$300 M offering of unsecured convertible senior notes due in 2031, and the concurrent closing of an additional US$50 M aggregate principal amount of notes pursuant to the exercise in full of the over-allotment option granted to the initial purchasers of the notes (San Dimas, Durango).
  • Gold Royalty Corp. increased the size of its previously announced bought deal financing for aggregate gross proceeds of US$90 M. The company granted the underwriters an over-allotment option to purchase up to an additional 15% of the common shares issued on the offering, for additional gross proceeds of up to US$103.5 M (royalty on Cozamin, Zacatecas).
  • Minera Alamos Inc. closed its previously announced private placement offering for gross profits of C$3.5 M (Santana, Sonora).
  • Minaurum Gold Inc. completed its previously announced “best efforts” private placement, for C$25 M in gross proceeds, which included the exercise in full of the agents’ option. Cormark Securities Inc. acted as lead agent, on behalf of itself and a syndicate of agents including Beacon Securities Ltd. and Canaccord Genuity Corp. The company paid the agents a C$1.4 M cash commission and issued 3.95 M purchase warrants. In addition, a cash fee of C$11.2 K was paid and issued 31.3 K broker warrants to an arm’s length finder (Alamos Silver, Sonora).
  • Regency Silver Corp. entered into an agreement with Centurion One Capital Corp. as lead agent and sole bookrunner with a brokered private placement to raise up to C$2 M. Later on the week the offering was upsized to C$3 M in gross profits (Dios Padre, Sonora).
  • Vizsla Royalties Corp. graduated to trade on the OTCQX Best Market (royalty on Panuco, Sinaloa).
  • Sailfish Royalties Inc. declared a quarterly dividend of US$0.0125 per share, to be payable on July 15, 2026 (royalty on Gavilanes, Durango).

ON RESOURCES AND DEVELOPMENT

  • Regency Silver Corp. informed a new drill hole intersected 23.7 m of sulfide-specularite breccia similar to the breccia hosting high-grade Au-Cu-Ag mineralization 35 m updip and along strike from a previous hole at its Dios Padre project in Sonora. Four holes totalling 2,476 m have been completed since early October 2025. ”… the mineralized shingle breccia typically hosting mineralization is found on both sides of a new intersection of Quartz-Feldspar porphyry … ”.
  • Vizsla Silver Corp. filed the feasibility study (FS) on the Panuco project, in Sinaloa, “which highlights 17.4 M Oz AgEq of annual production over an initial 9.4-year mine life, an after-tax NPV(5%) of US$1.8B, 111% IRR and a 7-month payback at US$35.50/oz Ag and US$3,100/oz Au”.
  • Silverco Mining Ltd. presented an updated mineral resource estimate (MRE) for its Cusi project in Chihuahua. The study notes 4.89 M tonnes grading 206 gpt Ag, 0.15 gpt Au, 0.73% Pb, 0.86% Zn (262 gpt AgEq), containing 32.4 M Oz Ag, 24 K Oz Au, 78.3 M Lb Pb, 92.8 M Lb Zn (41.2 M Oz AgEq) in measured and indicated resources and 4.07 M tonnes grading 172 gpt Ag, 0.17 gpt Au, 0.89% Pb, 1.20% Zn (243 gpt AgEq), containing 22.5 M Oz Ag, 22.2 K Oz Au, 79.5 M Lb Pb, 107.5 M Lb Zn (31.7 M Oz AgEq). 
  • Impact Silver Corp. released further results from its underground drill program in the Santo Domingo zone at its Plomosas mine in Chihuahua. Highlighted true width intercepts comprise 0.84 m @ 35 gpt Ag, 6.5% Pb, 26.3% Zn; 2.07 m @ 24 gpt Ag, 9.4% Pb, 10.6% Zn; 4.95 m @ 23 gpt Ag, 7.4% Pb, 13.8% Zn (including 1.33 m @ 29 gpt Ag, 11.3% Pb, 18.2% Zn); 0.58 m @ 45 gpt Ag, 18.3% Pb; 20.3% Zn; 3.15 m @ 9 gpt Ag, 5.1% Pb, 5.0% Zn. “All these Santo Domingo drill intersections lie outside the JORC mineral resource blocks published by the previous operator”.
  • Heliostar Metals Ltd. completed an updated prefeasibility study (PFS) for its Cerro del Gallo project in Guanajuato. The current mineral reserve base is 2.27 M Oz AuEq, with the study outlining a 15.3  year mine life producing 85,700 Oz AuEq per year at cash cost $1,252 per Oz AuEq and an AISC of $1,390 per Oz AuEq and a CAPEX of US$195.3 M to bring it into production. “At the base case gold price of $2,300 per ounce, this results in an after-tax NPV of $424M, an IRR of 33.1% and a payback period of 2.3 years”. The study envisages a 6 M tonne per year open pit mining operation with ore crushed and stacked with cyanide leaching. “Copper and silver dissolved in solution will be recovered through a sulphidization, acidification, recycling, and thickening”.  
  • Coeur Mining Inc. provided an update on the 2025 exploration campaign at its Palmarejo complex in Chihuahua. Approximately 68,000 m of drilling have been completed by eleven rigs on the 30,000 ha property. The program identified numerous resource growth opportunities through a balance of near-mine and district-scale exploration. The Hidalgo Libertad, San Juan veins have been extended along strike by 500 m, 300 m and 150 m respectively, continuity confirmed between the Independencia Norte and Independencia South zones and drilling confirmed mineralization along 900 m of strike along the 4 km Camuchin-Escondida trend. Highlighted true width intercepts comprise 10.4 m @ 4.10 gpt Au, 1,517 gpt Ag (including 1.50 m @ 15.40 gpt Au, 4,957 gpt Ag); 17.9 m @ 4.20 gpt Au, 1,870 gpt Ag (including 9.1 m @ 7.10 gpt Au. 3,610 gpt Ag); 10.5 m @ 4.10 gpt Au, 1,928 gpt Ag; 5.2 m @ 14.70 gpt Au, 4,527 gpt Ag; 3.7 m @ 18.60 gpt Au, 778 gpt Ag; 22.2 m @ 6.70 gpt Au, 26 gpt Ag (including 4.80 m @ 14 gpt Au, 33 gpt Ag).

ON DEALS AND CORPORATE ISSUES

  • Teck Resources Ltd. informed its shareholders overwhelmingly voted to approve the special resolution involving the merger with Anglo American plc. Later on the week Teck  obtained a final order from the Supreme Court of British Columbia approving the previously-announced plan of arrangement under section 192 of the Canada Business Corporations Act, authorizing the merger of equals of Anglo American and Teck  (50% San Nicolas, Zacatecas).
  • Pinnacle Silver and Gold Corp. received conditional TSX Venture Exchange approval for all finders fee shares associated with the staged option of the El Potrero project in Durango. “a Finder’s Fee of 4% of the measurable benefit of each installment payment will be paid to Juan Jose Camacho, who is arm’s length to the issuer and the vendor”. Payments include 71.6 K shares on February 2025, 40 K shares and US$8,000 on November 2025, 40 K shares and US$30 K on February 2026, US$40 K when the plant is sufficiently upgraded and all permits received to commence production, or 4 years from signing, US$60 K one year after commencing production, or 5 years from signing, US$120 K two years after commencing production or 7 years from signing. And a contingent payment of  US$40 K and 40 K shares upon the establishment of a NI-43-101 350 K Oz AuEq in the inferred category or better.
  • Defiance Silver Corp. announced shareholders approved all matters presented at its annual general and special meeting (Zacatecas Silver, Zacatecas).
  • Kingsmen Resources Ltd. entered into a service agreement with Resource Stock Digest of Round Rock, Texas, to provide certain promotional services (Las Coloradas, Chihuahua).

ON SOCIAL RESPONSIBILITY

  • Fortune Bay Corp. announced the adoption of its formal Environmental, Social & Governance (ESG) Policy, highlighting a community-centered approach, responsible environmental practices, transparency and straight talk, governance and ethical conduct and local economic participation (Poma Rosa, Chiapas). 

On the image below: Specularite veining on volcanic sedimentary rocks, HQ core. Picture by Jorge Cirett.

The Mining and Exploration News in Mexico; Highlights on the Fourth Week of November 2025

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By Jorge Cirett

During the 48th week of the year (November 24th to November 30th, 2025), companies working in Mexico presented 28 press releases.  One company informed about exploration advances on early-stage properties. Three companies reported third quarter 2025 results. Eleven companies presented news on financing rounds or share matters. Four companies presented updates on advanced properties/mines. Eight companies informed on deals and corporate issues. ON MEXICO ISSUES, no relevant news. ON EXPLORATION, in Durango, Pinnacle Silver and Gold informed on a LiDAR survey at El Potrero. ON MINING, Orogen Royalties, Guanajuato Silver Company, Royalties Inc. and Impact Silver presented third quarter 2025 reports. ON FINANCING, nine companies informed on financing rounds: Silver Viper Minerals (C$17 M), GoGold Resources (C$125 M), Vizsla Silver (US$300 M), Silver Wolf Exploration (C$2.1 M), Pinnacle Silver and Gold (C$2.5 M), Kingsmen Resources (C$4.2 M), Silver Tiger Metals (C$40 M), Avino Silver & Gold (US$60 M) and GoGold Resources (C$143.75 M). Elemental Royalty is to start trading on the Nasdaq. Regency Silver granted stock options to acquire 4.5 M shares. ON RESOURCES AND DEVELOPMENT, Heliostar Metals released results from drilling at Ana Paula, in Guerrero. In a separate press release, Heliostar informed on the filing of a technical report for La Colorada, in Sonora. Silver Dollar Resources reported underground sample results from La Joya, in Durango. Minaurum Gold completed the 10,000 m phase I drilling campaign at Alamos Silver in Sonora, and is starting the 25,000 m phase II. ON DEALS AND CORPORATE ISSUES, Guanajuato Silver Company is to acquire the Bolañitos mine in Guanajuato from Endeavour Silver. Osisko Development entered into a securities purchase agreement to sell its San Antonio project in Sonora to Axo Copper. Apollo Silver, Minaurum Gold and Mithril Silver and Gold engaged marketing services providers. Santacruz Silver held its AGM. Proxy advisory firms recommended Teck Resources shareholders to vote for the merger with Anglo American. ON SOCIAL RESPONSIBILITY, no relevant news.

ON MEXICO ISSUES

No Relevant News.

ON EXPLORATION

  • Pinnacle Silver and Gold Corp. informed an airborne LiDAR survey has been flown over El Potrero in Durango, covering the 1,100 ha property. The resulting high-resolution topographic study will aid mapping “features such as structures and lithological contacts that can be related to mineralization but may not be exposed at surface”.

ON MINING

  • Orogen Royalties Inc. released Q3 2025 results. Net income before tax of C$1.3 M, a net comprehensive income of C$0.65 M, royalty revenue of C$2.3 M, general and administrative expenses of C$1.4 M, cash flow of C$2.2 M and a working capital of C$21.64 M (royalty on Ermitaño, Sonora).
  • Guanajuato Silver Company Ltd. announced financial information and production results for Q3 2025. Working capital of  C$11.3 M, positive operating cash flow of C3 M. and US$11.6 M of cash and cash equivalents by the end of the period. Consolidated production during the quarter from the Topia mine (Durango), El Cubo Mines Complex (Guanajuato), The Valenciana Mines Complex (Guanajuato), and the San Ignacio mine (Guanajuato) from 85 K tonnes mined, 85 K tonne milled averaging 0.91 gpt Au, 103 gpt Ag, recovering 81.1% Au, 86.7% Ag to produce 2,025 Oz Au, 245.4 K Oz Ag, 597.3 K Lb Pb, 741.6 K Lb Zn (or 457.5 K Oz AgEq) at cash cost $32.10 per Oz AgEq and an AISC of $40.64 per Oz AgEq. During the period 1,403 m were drilled at Villaplando/El Cubo, 642 m at San Ignacio and 395 m at Topia.
  • Impact Silver Corp. announced financial and operating results for the third quarter 2025. The company reported revenue of C$10.7 M. At Zacualpan, in Estado de Mexico, the Guadalupe mill processed 35.4 K tonnes averaging 157 gpt Ag to produce 150.4 K Oz Ag. At Plomosas, in Chihuahua, 10 K tonnes were produced grading 30 gpt Ag, 4.5% Pb, 8.3% Zn. ”the mine successfully commissioned a new lead oxide recovery circuit following extensive metallurgical testing. This new system has been performing well, recovering up to 60% of lead oxide material which occurs locally in the mine that was previously unrecoverable by the prior operator”. 

ON FINANCING

  • Silver Viper Minerals Corp. raised the maximum size of its previously announced non-brokered private placement to C$17 M (La Virginia, Sonora).
  • Elemental Royalty Corp. announced its common shares are to start trading on the Nasdaq capital market (royalty on Mercedes, Sonora).
  • GoGold Resources Inc. filed a final short form prospectus pursuant to its C$125 M bought deal public offering (Los Ricos South, Jalisco).
  • Vizsla Silver Corp. closed its previously announced offering of 5% convertible senior unsecured notes due 2031 for an aggregate principal amount of US$300 M. The company has now twice the capital requirement to bring the Panuco project in Sinaloa into production and continue district-scale exploration.
  • Silver Wolf Exploration Ltd. closed the non-brokered private placement for aggregate gross proceeds of C$2.1 M. Avino Silver & Gold Mines Ltd. acquired 5 M shares, taking its stake in the company to 11.65% on a non-diluted basis and to 16.5% on a fully-diluted basis   (Ana Maria, Durango).
  • Pinnacle Silver and Gold Corp. arranged a non-brokered private placement to raise gross proceeds of up to C$2.5 M (El Potrero, Durango).
  • Kingsmen Resources Ltd. closed its non-brokered private placement, raising C$4.2 M. (Las Coloradas, Chihuahua).
  • Silver Tiger Metals Inc. closed its previously announced bought deal offering of common shares of the company, for gross proceeds of C$40 M (El Tigre, Sonora).
  • Avino Silver & Gold Mines Ltd. filed a prospectus supplement to the company’s short form base shelf prospectus dated May 26, 2025 with the securities commission in each of the provinces and territories of Canada pursuant to which the company may, at its discretion and from time to time, distribute common shares up to the aggregate sales amount of US$60 M (Avino, Durango).
  • GoGold Resources Inc. closed its previously announced bought deal offering for aggregate gross proceeds of C$143.75 M. This includes proceeds from the full exercise of a 15% over-allotment option (Los Ricos South, Jalisco).
  • Royalties Inc. reported results for the third quarter of 2025. During the period the company generated revenue of US$41.2 K, while operating expenses totaled US$111.7 K. At the end of the period total assets were US$2.8 M (pursuing royalty on Cozamin, Zacatecas).
  • Regency Silver Corp. granted stock options to acquire 4.5 M common shares of the company to directors, officers, employees and consultants. (Dios Padre, Sonora).

ON RESOURCES AND DEVELOPMENT

  • Heliostar Metals Ltd. released additional results from the current drilling program at Ana Paula, in Guerrero. Drilling is designed to better define the overall east-west orientation of the High Grade Panel zone, with 44 holes and 12,615 m drilled to date. Highlighted core length intervals comprise 48.5 m @ 5.48 gpt Au (including 3.2 m @ 20.8 gpt Au); 70.65 m @ 9.38 gpt Au; 26.6 m @ 4.78 gpt Au; 83.2 m @ 17.30 gpt Au (including 46.65 m @ 27.30 gpt Au); 92.05 m @ 4.33 gpt Au; 35.55 m @ 6.73 gpt Au; 18.35 m @ 7.94 gpt Au; 65.15 m @ 5.39 gpt Au; 10.2 m @ 13.60 gpt Au.
  • Silver Dollar Resources Inc. reported underground sample results and preliminary geologic modelling to shift from open pit to underground at its La Joya project in Durango. Results from twelve samples 0.26 to 1.10 m in width were as high as 0.6 gpt Au, 1,800 gpt Ag, 13.9% Cu, 0.1% Pb, 0.5% Zn..
  • Heliostar Metals Ltd. filed an updated technical report on its operating La Colorada mine, in Sonora. . 
  • Minaurum Gold Inc. completed the 10,000 m phase I infill resource drill program and commenced the 25,000 m phase II resource expansion drill program at the Alamos Silver project in Sonora. “The program will include step-out holes at the Europa and Travesia silver shoots, as well as additional drilling at the historic Quintera and Minas Nuevas mines and the more recent discoveries at Promontorio Sur, Cotera, Pulpito, and San Jose vein zones”. 

ON DEALS AND CORPORATE ISSUES

  • Guanajuato Silver Company Ltd. entered into a definitive agreement to acquire the Bolañitos mine in Guanajuato, from Endeavour Silver Corp. for total consideration of up to US$50 M. A total upfront consideration at closing of US$30 M in cash and US$10 M in Guanajuato Silver’s common shares. Two more contingent payments are to be made, US$5 M upon achieving production of 2 M Oz AgEq and 4 M Oz AgEq, 50% in cash and 50% in shares. Bolañitos consists of 26 mining concessions totaling 2,537 ha, including the San Miguel, La Luz and Lucero producing mines and the Golondrinas mine, scheduled to restart production early in 2026. The property has 534 K tonnes grading 2.8 gpt Au, 101 gpt Ag containing 42,600 Oz Au, 4.6 M Oz Ag of mineral reserves, 453 K tonnes grading 2.3 gpt Au, 110 gpt Ag containing 34,000 Oz Au, 1.6 M Oz Ag of measured and indicated resources and 1.7 M tonnes grading 2.5 gpt Au, 141 gpt Ag, containing 132,200 Oz Au, 7.5 M Oz Ag in inferred resources. Bolañitos produced 25,230 Oz Au, 452.6 K Oz Ag (2.47 M Oz AgEq) in 2024.
  • Osisko Development Corp. entered into a securities purchase agreement with Axo Copper Corp. to sell its 100% interest in the 11,338 ha San Antonio project in Sonora. Upon closing of the transaction Osisko will receive shares of Axo Copper for a total of 9.99% of the company and a cash payment equal to 70% of any Mexican value added tax refund due. Upon the filing of a feasibility study (FS), Osisko will receive US$2 M, in cash or Axo shares. Upon the first gold pour, Osisko will receive US$2 M in cash or shares of Axo. When Axo raises more than US$10 M in equity financings, Osisko is to receive the Axo shares needed to keep its 9.99% ownership. An amended and restated stream agreement was signed between Axo and OR Royalties Inc. entitling OR Royalties to 4.99% of the issued shares of Axo, with the designated percentage of payable precious metals set at 7.15%, the transfer payments for metal deliveries set to 30% of spot prices and contingent payments set at 50, 100 and 150 K Oz Au production marks, up to an aggregate of US$8.55 M, payable in gold deliveries and subject to the 30% transfer payment.
  • Apollo Silver Corp. engaged Equedia Network Corp. to provide communications and advisory services in accordance with the policies of the TSX Venture Exchange and applicable securities laws (Cinco de Mayo, Chihuahua).
  • Santacruz Silver Mining Ltd. reported that all matters were approved at its annual general and special meeting of shareholders held on November 25, 2025 (Zimapán, Hidalgo).
  • Teck Resources Ltd. announced that independent proxy advisory firms Institutional Shareholder Services Inc. and Glass Lewis & Co. have recommended that Teck shareholders vote “FOR” the company’s merger of equals with Anglo American plc  (San Nicolás, Zacatecas).
  • Minaurum Gold Inc. entered into agreements with Capital Analytica and National Inflation Association to extend marketing and communication services agreements (Alamos Silver, Sonora).
  • Royalties Inc. reported that on November 4, 2025 the Civil Chamber of the Superior Tribunal of Justice of Zacatecas upheld Royalties Inc. entitlement to royalties and rejected the appeals filed by defendants Raúl González Anaya and Capstone Gold S.A. de C.V. “The next step is the calculation and the collection of the amount owed on the 2% NSR on past production from the Portree claim under the tailings pond” (pursues royalty on Cozamin, Zacatecas).
  • Mithril Silver and Gold Ltd. engaged the services of ICP Securities Inc. to provide automated market making services for a monthly fee of C$7.5 K. Additionally, Ignite Partners was engaged for a six months investor engagement services and Small Caps IR to deliver professional investor relations services for a fee of AU$3 K per month. The company has retained Departures Capital to provide ongoing digital media marketing services (Copalquin, Durango).  

ON SOCIAL RESPONSIBILITY

  • No Relevant News. 

On the image below: Epithermal quartz veining on volcanosedimentary rocks, HQ core. Picture by Jorge Cirett.